CN106520014A - Starch anaerobic glue having good storage stability and preparation method thereof - Google Patents
Starch anaerobic glue having good storage stability and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/02—Starch; Degradation products thereof, e.g. dextrin
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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Abstract
The invention discloses a starch anaerobic glue having good storage stability. The starch anaerobic glue comprises an anaerobic adhesive and starch, the starch is pre-treated, wherein, the starch and an acidified disodium ethylene diamine tetraacetate solution are mixed and stirred, then deionized water is used for washing, water is filtered, and the powder is dried. The invention also discloses a preparation method of the starch anaerobic glue having good storage stability. By pickling the starch, the metal ion content is greatly reduced, viscosity of the anaerobic glue is kept in a reasonable scope for long time, and the storage life of the starch anaerobic glue is prolonged.
Description
Technical field
The present invention relates to anaerobic adhesive technical field.It is more particularly related to a kind of good starch of storage stability
Anaerobic adhesive and preparation method thereof.
Background technology
Important representative of the photovoltaic industry as New Energy Industry, it is in recent years, rapid in Chinese development, and become global photovoltaic product
The major country of production of product, and become the strength held the balance on international new forms of energy market.Meanwhile, adhesive is used as photovoltaic industry silicon
The important auxiliary product of piece cutting process also grows up therewith.In recent years, people increasingly pay attention to environmental issue, anaerobic adhesive
Also increasingly it is intended to nontoxic, environmentally friendly, and starch is used as a kind of environmental friendliness, tasteless nontoxic, easy degraded, renewable, price
Cheap pure natural raw material, has been widely used in adhesive industry, and starch anaerobic adhesive has that intensity is high, hardness is good, bonding force
By force, the advantage such as cheap, is most one of anaerobic adhesive of potentiality to be exploited.But meanwhile, starch anaerobic adhesive has a common fault, surely
Qualitative difference, gelling, or even fully automated solidification can be produced with the prolongation of standing time.Therefore study the shallow lake of a stable storing
Powder anaerobic adhesive product is necessary.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide good starch anaerobic adhesive of a kind of storage stability and preparation method thereof, which leads to
The content for greatly reducing metal ion to starch pickling is crossed, the long period viscosity of anaerobic adhesive zone of reasonableness can be maintained into, be prolonged
The Storage period of starch anaerobic adhesive is grown.
In order to realize these purposes of the invention and further advantage, there is provided a kind of good starch of storage stability is detested
Oxygen glue, including Anaerobic adhesive and starch, starch is through pretreatment：Disodium ethylene diamine tetra-acetic acid solution of the starch with acidifying is mixed
Merge stirring, be then washed with deionized, filter water, dry powder.
Preferably, the good starch anaerobic adhesive of described storage stability, the disodium ethylene diamine tetra-acetic acid solution of acidifying is
The deionized water solution that disodiumedetate is dissolved in citric acid is obtained.
Preferably, the good starch anaerobic adhesive of described storage stability, starch is through pretreatment：By 45～55 weight portions
Starch with acidifying disodium ethylene diamine tetra-acetic acid solution mix, stirring 20～30min, be then washed with deionized 3～4
It is secondary, water is filtered, powder is dried；
Wherein, the disodium ethylene diamine tetra-acetic acid solution of acidifying is by the citric acid of 95～105 weight portions and 950～1050 weights
The deionized water of amount part mixes to being completely dissolved, and adds the disodiumedetate of 0.9～1.1 weight portion, mixing to obtain final product.
Preferably, the good starch anaerobic adhesive of described storage stability, the starch are corn starch.
Preferably, the good starch anaerobic adhesive of described storage stability, Anaerobic adhesive include following parts by weight
Raw material：20～25 parts of urethane acrylate, 25～35 parts of Hydroxypropyl methacrylate, 25～30 parts of corn starch, methyl
0.5～1 part of acrylic acid, 1～3 part of isopropyl benzene hydroperoxide, 0.5～1 part of acetylphenylhydrazine, 1～3 part of ortho-sulphobenzimide,
0.01～1 part of polymerization inhibitor, and 0.5～2 part of phosphoric acid ester adhesion promoter.
Preferably, the good starch anaerobic adhesive of described storage stability, also includes following weight portion in Anaerobic adhesive
Several raw materials：0.5～1 part of corn fiber, 0.5～1 part of banana fiber, 0.5～1 part of coffee fiber, 2～5 parts of rosin resin, liquid
0.5～1 part of body paraffin, 0.5～1 part of rice protein, 2～5 parts of glycerol, 0.5～1 part of Bamboo vinegar solution.
Preferably, the good starch anaerobic adhesive of described storage stability, corn fiber, banana fiber, coffee fiber according to
It is secondary through pulse electric shock pretreatment and pickling pretreatment：
The corn fiber of above-mentioned parts by weight, banana fiber, coffee fiber are soaked in into the nitric acid that mass fraction is 25%
In sodium solution, control voltage is 220V, and pulse frequency is 380mHz, carries out shock treatment 3-5s；
By electric shock obtain corn fiber, banana fiber, coffee fiber be acidified disodium ethylene diamine tetra-acetic acid solution mix
Close, stir 20～30min, be then washed with deionized 3～4 times, filter water, dry, crush, obtain final product；
Wherein, the disodium ethylene diamine tetra-acetic acid solution of acidifying is by the citric acid of 95～105 weight portions and 950～1050 weights
The deionized water of amount part mixes to being completely dissolved, and adds the disodiumedetate of 0.9～1.1 weight portion, mixing to obtain final product.
A kind of preparation method of the good starch anaerobic adhesive of storage stability, the raw material of above-mentioned parts by weight is sequentially placed into and is stirred
Device is mixed, 2.5～3.5h is stirred with the rotating speed of 500r/min, filtered, evacuation 30min is obtained final product.
Preferably, the preparation method of the good starch anaerobic adhesive of described storage stability, circulation in whipping process are passed through
Two steps of nitrogen and evacuation, each step keep 0.5h, be passed through nitrogen so that the pressure in agitating device be maintained at 3～
3.5MPa, evacuation cause the pressure in mixing pile to be maintained at negative pressure.
Preferably, the preparation method of the good starch anaerobic adhesive of described storage stability, the agitating device include：Cylinder
Body, is internally provided with the space of storing raw material, being provided with agitator at the top of the cylinder, and which is rotated under actuating unit driving, institute
State cylinder body bottom and be provided with the filter screen that can be risen or fallen, the side wall of the cylinder is respectively by pipeline and vacuum pump and nitrogen cylinder
Connection, is respectively equipped with electromagnetic valve on pipeline.The present invention at least includes following beneficial effect：
Firstth, the present invention carries out formula improvement by the starch added in anaerobic adhesive conventional formulation through pretreatment, by
Hardware can be touched unavoidably in production process starch, and the metal ion content of starch cannot be strict controlled in a preferable model
Enclose, so the viscosity more and more higher of anaerobic adhesive, even gelling solidification, stable storing can be caused in being used directly to be added to anaerobic adhesive
Property it is poor, the present invention can be effectively improved stability by washing starch with the sour EDTa that dissolves；On the one hand citric acid is also stabilizer,
Sour environment can also be provided, metal ion can be chelated to come out after washing and greatly reduce the content of metal ion, can be longer
The viscosity of adhesive is maintained zone of reasonableness by the time, extends the Storage period of starch anaerobic adhesive；
Secondth, the present invention by formula mix corn fiber, banana fiber, coffee fiber with improve mechanical strength,
Liquid paraffin strengthens dispersibility, and, to improve viscosity, rice protein, Bamboo vinegar solution are shortening positioning time for rosin resin, glycerol；Semen Maydiss
Fiber, banana fiber, coffee fiber sequentially pass through pulse electric shock pretreatment and pickling pretreatment, to improve initial moduluss, and go
Except metal ion；Circulation is passed through nitrogen and evacuation so that keep anaerobic state, the abruptly increase of pressure to die-off favorably in agitating device
Preferably mix in each component；
3rd, agitating device simple structure of the invention, feature are strong, can complete the preparation of whole anaerobic adhesive, be easy to
Circulation is passed through nitrogen and evacuation, and bottom can raise the filter screen of reduction, reach optimal mixed effect and separating effect.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to description
Word can be implemented according to this.
It should be noted that experimental technique described in following embodiments, if no special instructions, is conventional method, institute
Reagent and material is stated, if no special instructions, is commercially obtained.
<Embodiment 1>
A kind of good starch anaerobic adhesive of storage stability, the main material of anaerobic adhesive is methacrylate tetraethylene-glycol
Add pretreated tapioca in the ethers anaerobic adhesive of ester, the two mass ratio is：2:1, stir, obtain final product.
Wherein, the pretreatment of tapioca is specially：The ethylenediamine that the hydrochloric acid of tapioca and its 20 times of quality is acidified
Tetraacethyl disodium solution is mixed and stirred for, and is then washed with deionized, and filters water, dries powder.
<Embodiment 2>
A kind of good starch anaerobic adhesive of storage stability, the main material of anaerobic adhesive is methacrylate multicondensed ethylene glycol ester
Carboxylic ester anaerobic adhesive in add pretreated wheaten starch, the two mass ratio is：2:1, stir, obtain final product.
Wherein, the pretreatment of wheaten starch is specially：By wheaten starch and the ethylenediamine of the acidifying with acetic acid of its 20 times of quality
Tetraacethyl disodium solution is mixed and stirred for, and is then washed with deionized, and filters water, dries powder.
<Embodiment 3>
A kind of good starch anaerobic adhesive of storage stability, the main material of anaerobic adhesive are the epoxy-ester anaerobism of bisphenol-A epoxy ester
Add pretreated sweet potato starch in glue, the two mass ratio is：2:1, stir, obtain final product.
Wherein, the pretreatment of sweet potato starch is specially：The ethylenediamine that the nitric acid of sweet potato starch and its 20 times of quality is acidified
Tetraacethyl disodium solution is mixed and stirred for, and is then washed with deionized, and filters water, dries powder.
<Embodiment 4>
A kind of good starch anaerobic adhesive of storage stability, Anaerobic adhesive formula include the raw material of following parts by weight：
20 parts of urethane acrylate, 25 parts of Hydroxypropyl methacrylate, 25 parts of corn starch, 0.5 part of methacrylic acid, isopropylbenzene mistake
1 part of hydrogen oxide, 0.5 part of acetylphenylhydrazine, 1 part of ortho-sulphobenzimide, 0.01 part of polymerization inhibitor, and phosphoric acid ester attachment make every effort to promote
Enter 0.5 part of agent.
Wherein, corn starch is through pretreatment：By the corn starch of 45 weight portions and the disodiumedetate being acidified
Solution mixes, and stirs 20min, is then washed with deionized 3 times, filters water, dries powder；The ethylenediaminetetraacetic acid two of acidifying
Sodium solution is to mix the citric acid of 95 weight portions to being completely dissolved with the deionized water of 950 weight portions, adds 0.9 weight portion
Disodiumedetate, mixing are obtained final product.
Preparation method is：The raw material of above-mentioned parts by weight is sequentially placed into into agitating device, is stirred with the rotating speed of 500r/min
2.5h, filters, and evacuation 30min is obtained final product.
<Embodiment 5>
A kind of good starch anaerobic adhesive of storage stability, Anaerobic adhesive formula include the raw material of following parts by weight：
25 parts of urethane acrylate, 35 parts of Hydroxypropyl methacrylate, 30 parts of corn starch, 1 part of methacrylic acid, isopropylbenzene peroxide
Change 3 parts of hydrogen, 1 part of acetylphenylhydrazine, 3 parts of ortho-sulphobenzimide, 1 part of polymerization inhibitor, and phosphoric acid ester adhesion promoter 2
Part.
Wherein, corn starch is through pretreatment：By the corn starch of 55 weight portions and the disodiumedetate being acidified
Solution mixes, and stirs 30min, is then washed with deionized 4 times, filters water, dries powder；The ethylenediaminetetraacetic acid two of acidifying
Sodium solution is to mix the citric acid of 105 weight portions to being completely dissolved with the deionized water of 1050 weight portions, adds 1.1 weight portions
Disodiumedetate, mixing obtains final product.
Preparation method is：The raw material of above-mentioned parts by weight is sequentially placed into into agitating device, is stirred with the rotating speed of 500r/min
2.5h, filters, and evacuation 30min is obtained final product.
<Embodiment 6>
A kind of good starch anaerobic adhesive of storage stability, Anaerobic adhesive formula include the raw material of following parts by weight：
22 parts of urethane acrylate, 30 parts of Hydroxypropyl methacrylate, 26 parts of corn starch, 0.8 part of methacrylic acid, isopropylbenzene mistake
2 parts of hydrogen oxide, 0.8 part of acetylphenylhydrazine, 2 parts of ortho-sulphobenzimide, 0.06 part of polymerization inhibitor, and phosphoric acid ester attachment make every effort to promote
Enter 1 part of agent.
Wherein, corn starch is through pretreatment：By the corn starch of 50 weight portions and the disodiumedetate being acidified
Solution mixes, and stirs 25min, is then washed with deionized 4 times, filters water, dries powder；The ethylenediaminetetraacetic acid two of acidifying
Sodium solution is to mix the citric acid of 100 weight portions to being completely dissolved with the deionized water of 950～1050 weight portions, adds 1 weight
The disodiumedetate of amount part, mixing are obtained final product.
Preparation method is：The raw material of above-mentioned parts by weight is sequentially placed into into agitating device, is stirred with the rotating speed of 500r/min
2.5h, filters, and evacuation 30min is obtained final product.
<Embodiment 7>
A kind of good starch anaerobic adhesive of storage stability, Anaerobic adhesive formula with embodiment 6, also including following weight portion
Several raw materials：0.8 part of corn fiber, 0.8 part of banana fiber, 0.8 part of coffee fiber, 4 parts of rosin resin, 0.8 part of liquid paraffin,
0.8 part of rice protein, 4 parts of glycerol, 0.8 part of Bamboo vinegar solution.
Wherein, corn starch is through pretreatment：By the corn starch of 50 weight portions and the disodiumedetate being acidified
Solution mixes, and stirs 25min, is then washed with deionized 4 times, filters water, dries powder；The ethylenediaminetetraacetic acid two of acidifying
Sodium solution is to mix the citric acid of 100 weight portions to being completely dissolved with the deionized water of 950～1050 weight portions, adds 1 weight
The disodiumedetate of amount part, mixing are obtained final product；
Corn fiber, banana fiber, coffee fiber sequentially pass through pulse electric shock pretreatment and pickling pretreatment：
The corn fiber of above-mentioned parts by weight, banana fiber, coffee fiber are soaked in into the nitric acid that mass fraction is 25%
In sodium solution conductive liquid, control voltage is 220V, and pulse frequency is 380mHz, carries out shock treatment 3-5s；
The conductive liquid is sodium nitrate solution that mass fraction is 25%；
By electric shock obtain corn fiber, banana fiber, coffee fiber be acidified disodium ethylene diamine tetra-acetic acid solution mix
Close, stir 25min, be then washed with deionized 4 times, filter water, dry, crush, obtain final product；
The disodium ethylene diamine tetra-acetic acid solution of acidifying is going the citric acid of 100 weight portions and 950～1050 weight portions
Ionized water mixes to being completely dissolved, and adds the disodiumedetate of 1 weight portion, mixing to obtain final product；
Preparation method is：The raw material of above-mentioned parts by weight is sequentially placed into into agitating device, is stirred with the rotating speed of 500r/min
2.5h, filters, and evacuation 30min is obtained final product.
<Embodiment 8>
A kind of good starch anaerobic adhesive of storage stability, with embodiment 7, preparation method is in the present invention for Anaerobic adhesive formula
Agitating device in carry out, the agitating device includes：Cylinder, the sky of the raw material for being internally provided with receiving above-mentioned parts by weight
Between, agitator is provided with the top of the cylinder, which is rotated under actuating unit driving, and the cylinder body bottom is provided with and can rise or fall
Filter screen, the side wall of the cylinder connected with vacuum pump with nitrogen cylinder by pipeline respectively, is respectively equipped with electromagnetic valve on pipeline,
The raw material of above-mentioned parts by weight is sequentially placed into into agitating device, with the rotating speed stirring 2.5h of 500r/min, period circulation is passed through nitrogen
Two steps of gas and evacuation, each step keep 0.5h, open nitrogen cylinder and are passed through the pressure during nitrogen causes agitating device
It is maintained at 3～3.5MPa, opens vacuum pump evacuation and cause the pressure in agitating device to be maintained at negative pressure, lift strainer filtering,
Start vacuum pump evacuation 30min, obtain final product.
<Comparative example>
The formula of comparative example 1 makees pretreatment with embodiment 1, wherein para arrowroot powder, the formula of comparative example 2 with embodiment 2,
Wherein wheaten starch does not make pretreatment, and with embodiment 3, wherein sweet potato starch does not make pretreatment, comparative example 4 to the formula of comparative example 3
Formula with embodiment 6, wherein corn starch does not make pretreatment.
<Storage stability performance is tested>
Take 30 Low Density Polyethylene bottles, be equally divided into three groups, per group in 10 comparative examples 1 for pouring 30 grams successively into～
4th, the starch anaerobic adhesive of embodiment 1～3,6,7,8, detects in the environment of being placed on 50 DEG C, the obvious retrogradation of observation starch anaerobic adhesive
Or the time that cannot be flowed makes contrast, three groups of when catch cropping meansigma methodss are taken, as a result such as table 1：
Table 1
As can be seen from Table 1, the average time of embodiment 1～3,6 is respectively 46 days, 48 days, 47 days, 51 days, high
16 days average times, 18 days, 16 days, 15 days of the undressed comparative example of starch 1～4, this is because anaerobic adhesive with the addition of
Easily there is gelling in starch, so as to illustrate that starch is modified obtained through the disodium ethylene diamine tetra-acetic acid solution that is added with acidifying
The storage stability of anaerobic adhesive is greatly promoted.The average time of embodiment 6,7,8 is slightly above the average time of embodiment 3, explanation
The effect of the corresponding anaerobic adhesive of acidified with citric acid modified corn starch is better than the acidified modified tapioca of hydrochloric acid, acidifying with acetic acid and changes
Property wheaten starch, the acidified modified corresponding anaerobic adhesive of sweet potato starch of nitric acid, illustrate to form sediment using acidified with citric acid modified corn
The storage stability of the modified obtained anaerobic adhesive of the disodium ethylene diamine tetra-acetic acid solution of powder is good.
<Comprehensive performance test>
The intensity of starch anaerobic adhesive prepared by difference testing example 6,7,8, comparative example 4, viscosity, positioning time.Intensity
Test is broken pulling force during two boards (silicon ingot and resin plate or glass plate), is glued using glue bonding two boards using puller system
Degree test using viscosity of the viscosity meter each group starch anaerobic adhesive at 25 DEG C, positioning time for bonding two boards (silicon ingot with
Resin plate or glass plate) primary solidification (glue and can not the move) time.As a result such as table 2.
Table 2
| Intensity (MPa) | Viscosity (cps) | Positioning time | |
| Embodiment 6 | 14.2 | 2000 | 3min 20s |
| Embodiment 7 | 15.5 | 2800 | 3min 10s |
| Embodiment 8 | 16.0 | 3000 | 3min 10s |
| Comparative example 4 | 10.5 | 1600 | 4min 10s |
As can be seen from Table 2, the intensity of embodiment 6,7,8, viscosity are all higher than comparative example 4, and it is right that positioning time is shorter than
Ratio 4, illustrates that intensity, viscosity and positioning time that the modified corresponding anaerobic adhesive of corn starch of acidified with citric acid is better than embody
Go out good effect data, and in embodiment 7, corn fiber, banana fiber, coffee fiber sequentially pass through pulse electric shock pretreatment
With the formula for adding embodiment 6 after pickling pretreatment, can overall improving product performance, using the reality of the agitating device of the present invention
Apply example 8, it is possible to increase intensity and viscosity, illustrate can be optimal mixed effect and separating effect, to obtain the product of performance boost
Product, can meet performance requirement of the photovoltaic industry to starch Anaerobic adhesive completely.
Number of devices described herein and treatment scale are the explanations for simplifying the present invention.To the present invention application,
Modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present invention is disclosed as above, which is not restricted to listed by description and embodiment
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the embodiment with description.
Claims (10)
1. the good starch anaerobic adhesive of a kind of storage stability, including Anaerobic adhesive and starch, it is characterised in that starch is through pre-
Process：Disodium ethylene diamine tetra-acetic acid solution of the starch with acidifying is mixed and stirred for, is then washed with deionized, is filtered water,
Drying powder.
2. the good starch anaerobic adhesive of storage stability as claimed in claim 1, it is characterised in that the ethylenediaminetetraacetic acid of acidifying
Two sodium solutions are that the deionized water solution that disodiumedetate is dissolved in citric acid is obtained.
3. the good starch anaerobic adhesive of storage stability as claimed in claim 2, it is characterised in that starch is through pretreatment：Will
The starch of 45～55 weight portions is mixed with the disodium ethylene diamine tetra-acetic acid solution of acidifying, is stirred 20～30min, is then used deionization
Water washing 3～4 times, filters water, dries powder；
Wherein, the disodium ethylene diamine tetra-acetic acid solution of acidifying is by the citric acid of 95～105 weight portions and 950～1050 weight portions
Deionized water mix to being completely dissolved, add the disodiumedetate of 0.9～1.1 weight portion, mixing to obtain final product.
4. the good starch anaerobic adhesive of storage stability as claimed in claim 1, it is characterised in that the starch is that Semen Maydiss form sediment
Powder.
5. the good starch anaerobic adhesive of storage stability as claimed in claim 4, it is characterised in that Anaerobic adhesive include with
The raw material of lower parts by weight：20～25 parts of urethane acrylate, 25～35 parts of Hydroxypropyl methacrylate, corn starch 25～
30 parts, 0.5～1 part of methacrylic acid, 1～3 part of isopropyl benzene hydroperoxide, 0.5～1 part of acetylphenylhydrazine, o-benzoyl sulphonyl it is sub-
1～3 part of amine, 0.01～1 part of polymerization inhibitor, and 0.5～2 part of phosphoric acid ester adhesion promoter.
6. the good starch anaerobic adhesive of storage stability as claimed in claim 5, it is characterised in that also include in Anaerobic adhesive
The raw material of following parts by weight：0.5～1 part of corn fiber, 0.5～1 part of banana fiber, 0.5～1 part of coffee fiber, rosin tree
2～5 parts of fat, 0.5～1 part of liquid paraffin, 0.5～1 part of rice protein, 2～5 parts of glycerol, 0.5～1 part of Bamboo vinegar solution.
7. the good starch anaerobic adhesive of storage stability as claimed in claim 6, it is characterised in that corn fiber, banana fiber,
Coffee fiber sequentially passes through pulse electric shock pretreatment and pickling pretreatment：
The corn fiber of above-mentioned parts by weight, banana fiber, coffee fiber are soaked in into the sodium nitrate that mass fraction is 25% molten
In liquid, control voltage is 220V, and pulse frequency is 380mHz, carries out shock treatment 3-5s；
By electric shock obtain corn fiber, banana fiber, coffee fiber be acidified disodium ethylene diamine tetra-acetic acid solution mix, stir
20～30min is mixed, is then washed with deionized 3～4 times, is filtered water, dry, crush, obtain final product；
Wherein, the disodium ethylene diamine tetra-acetic acid solution of acidifying is by the citric acid of 95～105 weight portions and 950～1050 weight portions
Deionized water mix to being completely dissolved, add the disodiumedetate of 0.9～1.1 weight portion, mixing to obtain final product.
8. the preparation method of the good starch anaerobic adhesive of storage stability as any one of claim 5～7, its feature exist
In, the raw material of above-mentioned parts by weight being sequentially placed into into agitating device, 2.5～3.5h is stirred with the rotating speed of 500r/min, filtration is taken out
Vacuum 30min, obtains final product.
9. the preparation method of the good starch anaerobic adhesive of storage stability as claimed in claim 8, it is characterised in that whipping process
Middle circulation is passed through two steps of nitrogen and evacuation, and each step keeps 0.5h, the pressure being passed through during nitrogen causes agitating device
It is maintained at 3～3.5MPa, evacuation causes the pressure in mixing pile to be maintained at negative pressure.
10. the preparation method of the good starch anaerobic adhesive of storage stability as claimed in claim 9, it is characterised in that described to stir
Mixing device includes：Cylinder, is internally provided with the space of storing raw material, being provided with agitator at the top of the cylinder, and which is in actuating unit
Drive it is lower rotate, the cylinder body bottom is provided with the filter screen that can be risen or fallen, the side wall of the cylinder respectively by pipeline with it is true
Empty pump is connected with nitrogen cylinder, is respectively equipped with electromagnetic valve on pipeline.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643317A (en) * | 2019-09-25 | 2020-01-03 | 玉环鑫淼建材有限公司 | Anaerobic adhesive composition and preparation method thereof |
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| CN102850957A (en) * | 2012-08-30 | 2013-01-02 | 苏州市德莱尔建材科技有限公司 | Preparation method for wood adhesive with starch as raw material |
| CN104830255A (en) * | 2015-05-19 | 2015-08-12 | 佛山市三水永恒达粘合剂有限公司 | Fabric stiffening adhesive paste, preparation method thereof and forming cloth |
| CN105778818A (en) * | 2014-12-23 | 2016-07-20 | 青岛锦涟鑫商贸有限公司 | Novel wood adhesive |
| CN105802536A (en) * | 2016-04-19 | 2016-07-27 | 滁州市光威化工有限公司 | High-toughness and waterproof modified starch-base cigarette lapping adhesive and preparing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102850957A (en) * | 2012-08-30 | 2013-01-02 | 苏州市德莱尔建材科技有限公司 | Preparation method for wood adhesive with starch as raw material |
| CN105778818A (en) * | 2014-12-23 | 2016-07-20 | 青岛锦涟鑫商贸有限公司 | Novel wood adhesive |
| CN104830255A (en) * | 2015-05-19 | 2015-08-12 | 佛山市三水永恒达粘合剂有限公司 | Fabric stiffening adhesive paste, preparation method thereof and forming cloth |
| CN105802536A (en) * | 2016-04-19 | 2016-07-27 | 滁州市光威化工有限公司 | High-toughness and waterproof modified starch-base cigarette lapping adhesive and preparing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110643317A (en) * | 2019-09-25 | 2020-01-03 | 玉环鑫淼建材有限公司 | Anaerobic adhesive composition and preparation method thereof |
| CN110643317B (en) * | 2019-09-25 | 2023-03-24 | 玉环鑫淼建材有限公司 | Anaerobic adhesive composition and preparation method thereof |
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| CN106520014B (en) | 2018-05-29 |
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